Vacuum cleaner



FIG. 1 is a perspective view of the vacuum cleaner showing our newdesign;

FIG. 2 is a perspective view of the vacuum cleaner with the dust boxremoved;

FIG. 3 is a bottom view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a rear view thereof; and

FIG. 8 is a front view thereof.

The ornamental design for a vacuum cleaner, as shown and described.